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S. pyogenes can also cause disease in the form of post-infectious "non-pyogenic" (not associated with local bacterial multiplication and pus formation) syndromes. These autoimmune -mediated complications follow a small percentage of infections and include rheumatic fever and acute post-infectious glomerulonephritis .
Group A streptococcal infections are a number of infections with Streptococcus pyogenes, a group A streptococcus (GAS). [1] S. pyogenes is a species of beta-hemolytic Gram-positive bacteria that is responsible for a wide range of infections that are mostly common and fairly mild. If the bacteria enters the bloodstream, the infection can become ...
In late 2022, an ongoing disease outbreak caused by the bacterium Streptococcus pyogenes, a Lancefield group A streptococcus, began in the United Kingdom. It is often referred to as the Strep A outbreak in the media. These bacteria cause group A streptococcal infections (Strep A or iGAS) and scarlet fever.
Erysipelas (/ ˌ ɛ r ə ˈ s ɪ p ə l ə s /) is a relatively common bacterial infection of the superficial layer of the skin (upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright red rash, typically on the face or legs, but which can occur anywhere on the skin.
Streptococcal pharyngitis, also known as streptococcal sore throat (strep throat), is pharyngitis (an infection of the pharynx, the back of the throat) caused by Streptococcus pyogenes, a gram-positive, group A streptococcus. [9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck.
Scarlet fever, also known as scarlatina, is an infectious disease caused by Streptococcus pyogenes, a Group A streptococcus (GAS). [3] It most commonly affects children between five and 15 years of age. [1] The signs and symptoms include a sore throat, fever, headache, swollen lymph nodes, and a characteristic rash. [1]
Causes: Streptococcus pyogenes, Staphylococcus aureus, others [1] [3] Risk factors: Very absorbent tampons, skin lesions in young children [1] Diagnostic method: Based on symptoms [1] Differential diagnosis: Septic shock, Kawasaki's disease, Stevens–Johnson syndrome, scarlet fever [4] Treatment
Streptococcus pyogenes, or GAS, displays beta hemolysis. ... The diseases that may be caused include streptococcal toxic shock syndrome, necrotizing fasciitis, ...